32 41 250 Removing and installing/replacing oil reservoir for hydraulic steering (AWD with N63 engine)

WARNING: This page does not describe the selected car, but rather 21 other vehicles, including the 2017 BMW 550i GT xDrive, 2017 BMW 535i GT xDrive, 2017 BMW 535i GT, 2016 BMW 550i GT xDrive, and 2016 BMW 535i GT xDrive. However, it is still accessible from the selected car via links, so may be relevant.

WARNING: DANGER OF POISONING if oil is ingested/absorbed through the skin!
RISK OF INJURY if oil comes into contact with eyes and skin!

IMPORTANT: Adhere to the utmost cleanliness. Do not allow any dirt to enter the hydraulic system.
Seal off hydraulic lines with seal plugs.

Necessary preliminary work

Draw off and dispose of hydraulic fluid from oil reservoir
Remove left INTAKE PORT

Disconnect connector (1) from engine control unit.

Fig 1: Identifying Engine Control Unit Connectors

G09877498

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) from control unit holder.

Lay control unit to one side.

Fig 2: Identifying Control Unit Holder Screws

G09877499

Courtesy of BMW OF NORTH AMERICA, INC.

Release screws (1) on the wheel arch and nut (1) on the oil reservoir holder.

Tightening torque 32 41 1AZ/2AZ

Fig 3: Identifying Screws On Oil Reservoir

G09877500

Courtesy of BMW OF NORTH AMERICA, INC.

Release hose clamp (1) and (3) and pull suction/return line off the oil reservoir.

Detach connector (2) from the level sensor.

Release screw (4) and pull off the oil reservoir in upward direction!

Installation note:

Replace hose clamps.

Tightening torque 32 41 3AZ

Fig 4: Identifying Hose Clamps, Plug Connection And Screw

G09877501

Courtesy of BMW OF NORTH AMERICA, INC.

Replacement

If necessary, modify level sensor.

After installation

Fill and bleed hydraulic system. See BLEEDING POWER STEERING UNIT or BLEEDING POWER STEERING (VERSION WITH DYNAMIC DRIVE) .
Check pipe connections for leaks
IF NECESSARY, CARRY OUT START-UP OPERATION FOR DYNAMIC DRIVE